body {
    text-align: center;
}

div,
img,
ul,
li {
    list-style: none;
    overflow: hidden;
    padding: 0px;
    margin: 0px;
}


.li {
    width: 150px;
    float: left;
    opacity: 0.6;
}
.li0{z-index: 1;
position: absolute;
width:450px;
}

#ul {
    width: 900px;
 position: absolute;
    left: 0px;
}
.ul1{position: absolute;}
#mainimg {
    width: 450px;
    height: 281px;
    position: relative;
}

.body {
    margin-left: auto;
    margin-right: auto;
    width: 450px;
    height: 375px;
   
    position: relative;
}

.smallimg {
    width: 150px;
    overflow: hidden;
    background-color: red
}

.img0 {
    width: 450px;
    
}


.img {
    width: 150px;
}

#leftico {
    position: absolute;
    left: 19px;
    top: 140px;
    z-index: 1500;
    opacity: 0.3;
}

#rightico {
    position: absolute;
    top: 140px;
    right: 19px;
    z-index: 1500;
    opacity: 0.3;
}

#aright {
    position: absolute;
    right: 0px;
    top: 0px;
    width: 225px;
    height: 281px;
    display: inline-block;
    background-color: red;
    opacity: 0;
    z-index: 100;
    margin: 0px;
}

#aleft {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 225px;
    height: 281px;
    display: inline-block;
    background-color: blue;
    opacity: 0;
    z-index: 100;
    margin: 0px;
}
